Numbers k such that uphi(k)/phi(k) > uphi(m)/phi(m) for all m < k, where phi(k) is the Euler totient function (A000010) and uphi(k) is the unitary totient function (A047994).

A283052

Numbers k such that uphi(k)/phi(k) > uphi(m)/phi(m) for all m < k, where phi(k) is the Euler totient function (A000010) and uphi(k) is the unitary totient function (A047994).

Terms

    a(0) =1a(1) =4a(2) =8a(3) =16a(4) =32a(5) =36a(6) =72a(7) =144a(8) =216a(9) =288a(10) =432a(11) =864a(12) =1728a(13) =2592a(14) =3600a(15) =5400a(16) =7200a(17) =10800a(18) =21600a(19) =43200a(20) =64800a(21) =108000a(22) =129600a(23) =216000a(24) =259200a(25) =324000a(26) =529200a(27) =1058400a(28) =2116800a(29) =3175200

External references